noun john·strup·ite \ˈjänˌstrəˌpīt\

Definition of johnstrupite



  1. :  a mineral approximately (Ca,Na)3(Ce,Ti,Zr)Si2O8F consisting of a complex silicate of cerium and other metals in prismatic crystals (specific gravity 3.29)

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of johnstrupite

German johnstrupit, from Frederik Johnstrup †1894 Danish mineralogist + German -it -ite

Seen and Heard

What made you want to look up johnstrupite? Please tell us where you read or heard it (including the quote, if possible).


quaintly unconventional or refined

Get Word of the Day daily email!